Downballot Roll-Off in 2024: A First Look at the Chamber-Level Findings 

Sister District’s initial post-election analysis of state legislative races in 2024 reveals unexpected trends in downballot roll-off. While Democrats traditionally experience higher roll-off rates, chamber-level data suggests notable deviations—especially in North Carolina, where Democratic state legislative candidates outperformed Kamala Harris, and Republican candidates saw greater roll-off than expected. This report takes a first look at these patterns, comparing them to historical trends from 2016 and 2020.

Votes to Majority and Down-Ballot Roll-Off in 2020

Last updated: 8/7/2024 Abstract In this analysis, we focus on 13 Republican-controlled legislative chambers in battleground states that were closely contested in 2020. We determine how many seats Democrats would have needed to win in order to gain control of these chambers, and how many more votes Democratic state legislative candidates would have needed to […]

Down-ballot Roll-off Patterns in 2022

Many voters tend to vote only in high-salience contests at the top of the ticket and skip state legislative races farther down the ballot, a behavior known as down-ballot roll-off. Our analysis of election data from 2012-2022 shows that this phenomenon disproportionately affects Democratic candidates. Despite strong performances in the 2022 elections, Democratic candidates still experienced higher rates of roll-off compared to Republicans. This trend persisted across various states and districts, highlighting the significant electoral impact of down-ballot roll-off on state legislative races.

Partisan control over time: Antecedents to flipping state legislatures

This analysis was a correlational study using archival data that sought to determine if the state-wide election results for President, Governor, and/or U.S. Senate flipping from one party to another could serve as a reliable antecedent to, 1) state legislative chambers subsequently flipping to that same party, and/or 2) the state becoming a trifecta for that party.